What to Do If You Lose Your Audi Key It can be expensive to replace lost keys. Luckily, with some simple steps you can steer clear of expensive replacement costs and huge towing cost. First, you should check whether you have an extra. If not, check obvious places such as https://g28carkeys11756.iyublog.com/29596891/what-is-audi-a3-key-replacement-and-how-to-utilize-it